Chapter 1
Chapter 2
Chapter 3
Chapter 4
100

More panthers were born than died.

increasing

100

Fewer were born than died

decreasing

100

The number of ducks that were born was the same as the number of ducks that died.

stable

100

Fewer mice were born than died.

decreasing

200

The eater of the resource population is called

consumer population

200

When something becomes different over time

Change

200

When two or more populations use the same resource, such as the same food source.

Competition

200

All the living and nonliving things interacting in a particular area

ecosystem

300

The ability to make things move or change

energy

300

A molecule that organisms can use to release the energy needed to survive

ESM/energy storage molecule

300

A model that shows what eats what in an ecosystem

Food web

300

The result of one cause leading to an effect that causes one or more other effects

indirect effect

400

A group of the same type of organism living in the same area

Population

400

The process of creating offspring

reproduction

400

A small part that is meant to show what the whole is like

sample

400

When something stays mostly the same over time

Stable

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